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Influence of Colour Ranges on Colour Measurements Performed with a Colorimetric and a Multispectral Imaging Systems

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The aim of this work is analyzing the colour measurements performed using a colorimetric imaging system, with three acquisition channels, and a multispectral imaging system, with seven acquisition channels, in terms of the colour ranges measured, i.e. sets of colour samples grouped by their hue property, in order to determine if both the colorimetric and the multispectral imaging systems are especially sensitive to some hues and/or some other colour properties.

General tendencies of system's performance in terms of CIELAB coordinates have been analyzed using the GretagMacbeth ColorChecker DC chart (CCDC). System's performance was also analyzed with respect mainly of Munsell hue coordinate using the 1269 colour patches of the Munsell Book of Color – Matte Collection.

Similar results were obtained for both configurations using the GretagMacbeth ColorChecker DC chart as training and test sets, but outstandingly different results between both configurations were obtained using the Munsell colour patches grouped in hues and sub-hues, as training and test sets. The multispectral imaging system resulted to be very sensitive to hue homogeneity and the greater uniformity in hue the better results obtained. Moreover, performance of colour measurements for the multispectral imaging system seemed to depend mainly on the hue property of colour samples composing the training and test sets, but not on other colour properties such those represented by the Munsell value V and chroma C coordinates.
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Document Type: Research Article

Publication date: January 1, 2008

More about this publication?
  • Started in 2002 and merged with the Color and Imaging Conference (CIC) in 2014, CGIV covered a wide range of topics related to colour and visual information, including color science, computational color, color in computer graphics, color reproduction, volor vision/psychophysics, color image quality, color image processing, and multispectral color science. Drawing papers from researchers, scientists, and engineers worldwide, DGIV offered attendees a unique experience to share with colleagues in industry and academic, and on national and international standards committees. Held every year in Europe, DGIV papers were more academic in their focus and had high student participation rates.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual papers for details.

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